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What is potassium carbonate

Potassium carbonate, a white crystalline powder. Density 2.428g/cm3. Melting point 89l ℃. Boiling point decomposition. Soluble in water, aqueous alkali, insoluble in ethanol, acetone and ether. Moisture absorption, and exposed to the air can absorb carbon dioxide and water into potassium bicarbonate. Hydrate has a water thing, dihydrate, trihydrate. The highly hygroscopic, deliquescent in the air. Potassium carbonate aqueous solution is alkaline. Long-term storage of carbon dioxide can be gradually absorbed into the solid potassium bicarbonate, K2CO3 insoluble in alcohol and ether. White crystalline powder, soluble in water, hygroscopicity strong, easy to agglomerate, long-term exposure to air will absorb carbon dioxide into bicarbonate, potassium, should be sealed packaging.

Chinese name: potassium carbonate
Chinese Synonyms: potash; pearl gray; crude potassium carbonate; potassium carbonate (anhydrous); potassium carbonate, the standard solution; eat soap water; heavy potash; potassium carbonate (food grade); food additive potassium carbonate; anhydrous carbonate potassium
English name: Carbonic acid, dipotassium salt; Potassium carbonate; potassium carbonate; carbonate de potassium; carbonate of potash; dipotassium carbonate; kalium carbonicum; kaliumcarbonat
CAS No. :584 -08-7
Chemical Formula: K2CO3
Molecular weight: 138.19
Properties: colorless crystals or white granules. Hygroscopicity. When that contains sufficient moisture (16.36%) does not absorb moisture. Soluble in water, almost insoluble in ethanol. Solution is strongly alkaline. The relative density of 2.043. Irritant.
Storage: dry and save the seals.
Uses: reagents for the analysis. Potassium preparation.
Density: 2.43g/cm3
Melting point: 891 ℃
Uses: analysis reagents. Purity analysis. Emission spectrometry. Insoluble silicate and sulfate flux. Organic liquid absorbent. Electroplating. Fertilizers. Photographic.

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